<template>
  <div class="app-container">
    <el-input
      v-model="filename"
      :placeholder="$t('zip.placeholder')"
      style="width: 300px"
      prefix-icon="el-icon-document"
    />
    <el-button
      :loading="downloadLoading"
      style="margin-bottom: 20px"
      type="primary"
      icon="el-icon-document"
      @click="handleDownload"
    >
      {{ $t("zip.export") }} Zip
    </el-button>
    <el-table
      v-loading="listLoading"
      :data="list"
      element-loading-text="拼命加载中"
      border
      fit
      highlight-current-row
    >
      <el-table-column align="center" label="ID" width="95">
        <template slot-scope="scope">
          {{ scope.$index }}
        </template>
      </el-table-column>
      <el-table-column label="Title">
        <template slot-scope="scope">
          {{ scope.row.title }}
        </template>
      </el-table-column>
      <el-table-column label="Author" width="95" align="center">
        <template slot-scope="scope">
          <el-tag>{{ scope.row.author }}</el-tag>
        </template>
      </el-table-column>
      <el-table-column label="Readings" width="115" align="center">
        <template slot-scope="scope">
          {{ scope.row.pageviews }}
        </template>
      </el-table-column>
      <el-table-column align="center" label="Date" width="220">
        <template slot-scope="scope">
          <i class="el-icon-time" />
          <span>{{ scope.row.display_time }}</span>
        </template>
      </el-table-column>
    </el-table>
  </div>
</template>

<script>
export default {
  name: "ExportZip",
  data() {
    return {
      list: [],
      listLoading: true,
      downloadLoading: false,
      filename: "",
    };
  },
  created() {
    this.fetchData();
  },
  methods: {
    async fetchData() {
      this.listLoading = true;
      const { data } = await this.$apis.article.fetchList();
      this.list = data.items;
      this.listLoading = false;
    },
    handleDownload() {
      this.downloadLoading = true;
      import("@/vendor/Export2Zip").then((zip) => {
        const tHeader = ["Id", "Title", "Author", "Readings", "Date"];
        const filterVal = [
          "id",
          "title",
          "author",
          "pageviews",
          "display_time",
        ];
        const list = this.list;
        const data = this.formatJson(filterVal, list);
        zip.export_txt_to_zip(tHeader, data, this.filename, this.filename);
        this.downloadLoading = false;
      });
    },
    formatJson(filterVal, jsonData) {
      return jsonData.map((v) => filterVal.map((j) => v[j]));
    },
  },
};
</script>